<?php
// 作用取得客户端的ip、地理信息、浏览器
class get_gust_info {

    ////获得访客浏览器类型
    function GetBrowser(){
        if(!empty($_SERVER['HTTP_USER_AGENT'])){
            $br = $_SERVER['HTTP_USER_AGENT'];
            if (preg_match('/MSIE/i',$br)) {
                $br = 'MSIE';
            }elseif (preg_match('/Firefox/i',$br)) {
                $br = 'Firefox';
            }elseif (preg_match('/Chrome/i',$br)) {
                $br = 'Chrome';
            }elseif (preg_match('/Safari/i',$br)) {
                $br = 'Safari';
            }elseif (preg_match('/Opera/i',$br)) {
                $br = 'Opera';
            }else {
                $br = 'Other';
            }
            return $br;
        }else{return "获取浏览器信息失败！";}
    }

    ////获得访客浏览器语言
    function GetLang(){
        if(!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
            $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
            $lang = substr($lang,0,5);
            if(preg_match("/zh-cn/i",$lang)){
                $lang = "简体中文";
            }elseif(preg_match("/zh/i",$lang)){
                $lang = "繁体中文";
            }else{
                $lang = "English";
            }
            return $lang;

        }else{return "获取浏览器语言失败！";}
    }

    ////获取访客操作系统
    function GetOs(){
        if(!empty($_SERVER['HTTP_USER_AGENT'])){
            $OS = $_SERVER['HTTP_USER_AGENT'];
            if (preg_match('/win/i',$OS)) {
                $OS = 'Windows';
            }elseif (preg_match('/mac/i',$OS)) {
                $OS = 'MAC';
            }elseif (preg_match('/linux/i',$OS)) {
                $OS = 'Linux';
            }elseif (preg_match('/unix/i',$OS)) {
                $OS = 'Unix';
            }elseif (preg_match('/bsd/i',$OS)) {
                $OS = 'BSD';
            }else {
                $OS = 'Other';
            }
            return $OS;
        }else{return "获取访客操作系统信息失败！";}
    }

    ////获得访客真实ip
    function Getip(){
        if(!empty($_SERVER["HTTP_CLIENT_IP"])){
            $ip = $_SERVER["HTTP_CLIENT_IP"];
        }
        if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ //获取代理ip
            $ips = explode(',',$_SERVER['HTTP_X_FORWARDED_FOR']);
        }
        if($ip){
            $ips = array_unshift($ips,$ip);
        }

        $count = count($ips);
        for($i=0;$i<$count;$i++){
            if(!preg_match("/^(10|172\.16|192\.168)\./i",$ips[$i])){//排除局域网ip
                $ip = $ips[$i];
                break;
            }
        }
        $tip = empty($_SERVER['REMOTE_ADDR']) ? $ip : $_SERVER['REMOTE_ADDR'];
        if($tip=="127.0.0.1"){ //获得本地真实IP
            return $this->get_onlineip();
        }else{
            return $tip;
        }
    }

    ////获得本地真实IP  http://1212.ip138.com/ic.asp
    function get_onlineip() {
        $mip = file_get_contents("http://city.ip138.com/city0.asp");
        if($mip){
            preg_match("/\[.*\]/",$mip,$sip);
            $p = array("/\[/","/\]/");
            return preg_replace($p,"",$sip[0]);
        }else{return "获取本地IP失败！";}
    }

    ////根据ip获得访客所在地地名
    function Getaddress($ip=''){
        if(empty($ip)){
            $ip = $this->Getip();
        }
        $ipadd = file_get_contents("http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=".$ip);//根据新浪api接口获取
        if($ipadd){
            $charset = iconv("gbk","utf-8",$ipadd);
            preg_match_all("/[\x{4e00}-\x{9fa5}]+/u",$charset,$ipadds);

            return $ipadds;   //返回一个二维数组
        }else{return "addree is none";}
    }
}
$gifo = new get_gust_info();
echo "你的ip:".$gifo->Getip();
echo "<br/>所在地：";
$ipadds = $gifo->Getaddress();
foreach($ipadds[0] as $value){
    echo "\r\n    ".iconv("utf-8","gbk",$value);
}

echo "<br/>浏览器类型：".$gifo->GetBrowser();
echo "<br/>浏览器语言：".$gifo->GetLang();
echo "<br/>操作系统：".$gifo->GetOs();


?>